NEWS DIGEST 08.08.2021: NASA’s Perseverance fails first Martian sample collection, other science stories

Good morning. Today’s news is from NewsNow’s Science bulletin board. NASA says that its Perseverance rover failed its first attempt to drill rock samples on Mars, an unexpected and disappointing outcome. NASA indicates that it believes future attempts will be … Continue reading NEWS DIGEST 08.08.2021: NASA’s Perseverance fails first Martian sample collection, other science stories

DEATH OF THE DINOSAURS: It may have been a speeding comet, US scientists say

Sixty-five million years ago, a massive object from outer space slammed into the Earth near what is now the Yucatan peninsula in modern-day Mexico. It released thousand of times the energy of an atomic bomb, leaving behind a crater more than 180 kilometres wide. The collision rained molten and pulverised rock over an area of more than 2,500 kilometres in diameter, creating devastating firestorms. It also caused worldwide temperatures to plummet as millions of tonnes of dust was thrown up into the atmosphere, blocking out the Sun for decades. As plants died off, the food chains that supported land dinosaurs … Continue reading DEATH OF THE DINOSAURS: It may have been a speeding comet, US scientists say